Finding the Fourth Proportional to 2,118.56, 2,922.90 and 1,233.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.56 : 2,922.90 = 1,233.65 : x
2. Step 2: Convert to fraction form
   2,118.56/2,922.90 = 1,233.65/x
3. Step 3: Cross multiply
   2,118.56x = 2,922.90 × 1,233.65
4. Step 4: Simplify right side
   2,118.56x = 3,605,835.59
5. Step 5: Solve for x
   x = 3,605,835.59/2,118.56
6. Step 6: Final answer
   x = 1,702.02